Phillips’ New York Jewels auction, held on December 9, brought some strong results for diamond jewellery. The sale was led by a Tiffany & Co. Fancy Intense blue diamond and platinum ring which was sold for $1.64 million, beating its low pre-sale estimate of $1.5 million.   Credit: Tiffany & Co.   The 3.02-carat diamond … Continue reading TIFFANY BLUE DIAMOND RING RAKES IN $1.6 MILLION AT AUCTION